La trgeometry se puede proyectar a sus tipos componentes o a una trayectoria de puntos puros.
Devuelve la pose temporal subyacente
tpose(trgeometry) → tpose
SELECT asText(tpose(trgeometry 'Polygon((0 0,1 0,1 1,0 1,0 0));[Pose(Point(0 0), 0.0)@2001-01-01, Pose(Point(10 0), 0.5)@2001-01-02]')); -- [Pose(POINT(0 0),0)@..., Pose(POINT(10 0),0.5)@...]
Devuelve la trayectoria del centroide (antena) como un punto temporal
tgeompoint(trgeometry) → tgeompoint
SELECT asText(tgeompoint(trgeometry 'Polygon((0 0,1 0,1 1,0 1,0 0));[Pose(Point(0 0), 0.0)@2001-01-01, Pose(Point(10 0), 0.0)@2001-01-02]')); -- [POINT(0 0)@..., POINT(10 0)@...]